罗茨式蒸汽动力机的参数设计及性能分析(英文)

Parameter design and performance analysis of roots-steam engine

罗茨式蒸汽动力机是将蒸汽的压力能转换为机械能的一种新型原动机,其工作原理类似于齿轮马达,用于回收利用工业生产工艺中的低温余热资源,结构简单,成本低廉。介绍了蒸汽动力机的结构及原理,并举例阐述了蒸汽动力机叶轮的参数化建模过程的实现,并着重讲述了动力机利用低温余热工作介质的性能仿真分析。

Roots-steam engine is a prime mover,which converts pressure energy into mechanical energy.Its working principle is similar to the gear motor.In this article,the roots-steam engine is introduced,which is a new type of low-temperature waste heat recovery device.This article focu-ses on theoretical study in structure,working principle and parametric modeling,performance a-nalysis in low temperature waste heat.